Lamp



FIG. 1 is a perspective view of a lamp showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of the bottom portion is included for the purpose of illustrating only and forms no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 